Colour

#00133D

#00133D
Blue
Dark
Nearest: Midnight blue

#00133D is a blue with RGB values 0, 19, 61 and HSL 221°, 100%, 12%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00133D#00133D

HEX#00133D

RGBrgb(0, 19, 61)

RGB (0–1)0, 0.0745, 0.2392

RGB percentages0%, 7.5%, 23.9%

HSLhsl(221.3, 100%, 12%)

HSV / HSBhsv(221.3, 100%, 23.9%)

CMYK100%, 68.9%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,925

CSS custom property--colour: #00133D;

Brightness & contrast

Relative luminance0.00803WCAG 2.x, 0 is black and 1 is white

Perceived brightness25.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.1:1

Contrast with white18.1:1WCAG normal text: AAA

Contrast with black1.16:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#FFECC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00193Eno red cones; affects about 1% of men; ΔE 5.5 from the original

Deuteranopia#00133Cno green cones; the most common form, about 1% of men; ΔE 0.8 from the original

Tritanopia#001E25no blue cones; rare, and affects men and women equally; ΔE 29.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.1:1WCAG large text: AAA

Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 29.7 Dark slateblue · ΔE 30.3 Black · ΔE 32.3 Dark slate grey · ΔE 42.3 Rebecca purple · ΔE 44 Steel blue · ΔE 48.1

Nearest named CSS colourMidnight blue (#191970)ΔE 29.67, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#3D2A00

Analogous#00323D, #0B003D

Triadic#3D0013, #133D00

Split complementary#3D0B00, #323D00

Tetradic#3D0032, #3D2A00, #003D0B

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#0A56FF

Lighter +30%#0043D6

Lighter +20%#0033A3

Lighter +10%#002370

Darker −10%#00030A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00133D

Less saturated −25%#081635

Channel breakdown

G19

B61

Red0 (0%)

Green19 (7.5%)

Blue61 (23.9%)

Hue221.31°

Saturation (HSL)100%

Lightness11.96%

Dominant channelBlue

Hex per channelR 00 · G 13 · B 3D

Keep nerding

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#00133D

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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